Seiko Cal. 6318 - 899

The 6318-899 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-b36f9a1c39b4]

Also known as: Tuna, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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